<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>登录页面</title>
</head>
<body>
<h1>登录</h1>
<hr>
<p th:text="${msg}" style="color: red;"></p>
<form action="">
  <p>用户名：<input type="text" name="username"></p>
  <p>密码：<input type="text" name="password"></p>
  <p>密码：<input type="submit"></p>
</form>
</body>
</html>